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Flexible Identity
Requires Restart
Selects an identity based on the recipients list when sending an email
Wepware - Capture and Share Live Content
Requires Restart
Grab live snapshots of anything on the internet, organize your collected content into folders and share with friends through SNS.
Mailsleuth
Requires Restart
Mailsleuth is a add-on for Thunderbird that provides you a full email header analysis of any email in your Inbox. This add-on is designed to provide a report on the email headers on any email you choose from your inbox. MAJOR updates for Feb 2013!
Folder Levels
Requires Restart
Rank your email folders by how much you care about them, and hide the ones you don't need right now.
CodeHighlight
Mail and Save Tab URLs
Requires Restart
If you often share web page addresses (URLs) with others or save them in text file, bookmark, or copy to clipboard for your own reference, this extension will make your life easier!
Unread Count
Requires Restart
Maintains a file in the profile root directory with counts for unread messages per account. Useful for display in generic status bar, e.g.: taffybar, xmobar, dzen2, etc
ReloadPAC
Requires Restart
Workaround for Bug 351163 (Thunderbird bypasses proxy.pac for first connection).
sepsis-console (Deprecated)
Requires Restart
THIS VERSION IS DEPRECATED. Use https://addons.mozilla.org/en-US/developers/addon/sepsis-console instead. See the description below.
sepsis-console is a general-purpose JavaScript console for all Mozilla toolkit applications.
Get before Send
Requires Restart
Get messages for the account which is bound to the identity then send the message when you click the toolbar button or the menu item. If your SMTP sever authenticates using POP(IMAP) before SMTP, the extension is useful.
Lock The Text
Requires Restart
Encrypt your text data in browser before you submit it to a network
Fast Close Tabs
Requires Restart
Closing the window closes the active tab instead of the window.
CapsKiller
Requires Restart
Caps Killer is a protection against newbies using caps in their mails.
Collapsed Unread
Requires Restart
Shows unread email count for collapsed folders even if the unread mails are in subfolders.
Rikaichan Japanese-Dutch Dictionary File
Requires Restart
This is a dictionary file add-on for the Rikaichan extension.
All mail from all accounts
Requires Restart
Add a toolbar button to send and receive all mail from all accounts for Leopard theme.
Today's messages
Requires Restart
Show only your messages received during the current day, the last 7 days or the last 30 days thanks to 3 buttons.You may use pin button to keep filters applied when switching to your other inbox/folders.
To create your own collections, you must have a Mozilla Add-ons account.
